// 依赖jquery.blockUI.min.js 
Loading = {
    show: function () {
      $.blockUI({
        message: '<img src="/static/image/loading.gif" />',
        css: {
          zIndex: "10011",
          padding: "10px",
          left: "50%",
          width: "80px",
          marginLeft: "-40px",
        }
      });
    },
    hide: function () {
      // 本地查询速度太快，loading显示一瞬间，故意做个延迟
      setTimeout(function () {
        $.unblockUI();
      }, 500)
    }
  };